Question One
Describe the following terms
(4 marks)
Connector
Media converter
List any two functions of the data link layer and physical layer of O.S.I reference model.
(4 marks)
Using an illustration show how one would verify physical connectivity.
(4 Marks)
Discuss the issues that affect signal propagation by antennas.
(3 Marks)
Discuss CIDR (classless Interdomain Parity) subnet masks; subnet and supernet masks.
(3 marks)
Repeaters and hubs and found in the physical layer explain which type of physical topologies each is suitable for.
(3 marks)
There are similarities of wired and wireless transmission; explain both the similarities and differences of the two.
(3 marks)
Differentiate between SNAT and DNAT.
(3 Marks)
Discuss how routers can be used to implement security.
(3 Marks)
Question Two
Using illustrations discuss any three backbone networks highlighting the different types of cables used, interconnection devices and where they are applicable. (15 Marks)
Question Three
How is subnetting and network address translation used to design unique TCP/IP networks?
(6 marks)
Discuss any two security risks associated with data transmission and hardware and possible solutions guarding against them.
(6 marks)
Distinguish between mpls and Flow Routing
(3 Marks)
Question Four
Describe the different software and hardware tools that are used to diagnose problems in a network.
(6 Marks)
Using illustrations discuss how intrusion detection and prevention can be implemented using firewalls and proxy servers.
(6 Marks)
Differentiate between straight through, cross over and roll-over cables.
(3 Marks)
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